CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 2 Functions Remote Control Self illuminating button OFF / ON I TEMP. Operation OFF / ON Room Temperature Setting Cooling, Soft Dry, Air Circulation Operation. • Temperature Setting (16°C to 30°C) MODE...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 Indoor Unit AUTO OFF / ON Automatic Operation Button Random Auto Restart Control • Press for < 5s to operate Automatic • Operation is restarted randomly after power operation mode. failure at previous setting mode.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 Outdoor Unit Compressor Reverse Rotation Protection Control • To protect compressor from reverse rotation when there is a instantaneous power failure. Overload Protector • 2-Stage OLP to protect the compressor. Overload Protector will trip when –...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 7 Wiring Diagram REMARKS : BLUE : BROWN : BLACK : GREEN : GRAY : ORANGE : PINK : RED : WHITE : YELLOW : YELLOW/GREEN Resistance of Indoor Fan Motor Windings...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 8 Operation Details 8.1. Cooling Mode Operation Cooling in operation according to Remote Control setting. Time Delay Safety Control (3 minutes) • When the compressor is stopped by Remote Control, it restarts after 3 minutes when the Remote Control is turned ON.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 Automatic Fan Speed Mode When Automatic Fan Speed is selected at Remote Control during cooling operation. • Fan speed rotates in the range of Hi to Me. • Deodorizing Control. Cooling Operation Time Diagram...
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 Quiet Operation Control (For Cooling Mode or cooling region of Soft Dry Mode) • Purpose of this operation is to provide quite cooling operation compare to normal operation. • When the Quiet Mode is set at the remote control, Quiet Mode LED illuminates, the sound level will be automatically decreased 2 dB (Lo), decreased 3 dB (Hi, Me), against the present sound level operation.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 8.2. Soft Dry Mode Operation • The unit starts cooling operation until the room temperature reaches the setting temperature set on the Remote Control, and then Soft Dry operation will start. • During Soft Dry operation, the Indoor Fan will operate at Lo- speed.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 Soft Dry Operation Time Diagram Quiet Operation Control (For Dry region of Soft Dry Mode)
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 8.3. Air Circulation Mode Operation • When the temperature near the ceiling reaches the setting temperature, Air Circulation Mode operation commences at low airflow volume. It stops when the temperature drops to 2°C below the setting temperature.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 8.5. Powerful Mode Operation • Purpose of this operation is to obtain the setting temperature quickly. • When the Powerful Mode is set, the set temperature will be automatically decreased 3°C against the present setting temperature (Lower temperature: 16°C).
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 8.8. Vertical Airflow Direction Control Vertical Airflow Direction Auto-Control • When set a Airflow Direction Auto-Control with remote control, the louver swings up and down as shown in the diagram. • The louver does not swing when the Indoor Fan Motor stops during operation at the upper limit.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 8.9. Delay ON Timer Control • When the Delayed ON Timer is set by using the remote control, the unit will start operate slightly before the set time, so that the room will reach nearly to the set temperature by the desired time.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 Air flow direction (Horizontal Vane) control: Follow vane direction control at cooling mode. Horizontal vane can be changed by customer during ion only operation. 2. Ion only operation can be off by pressed ION button again. (2 → 1) 3.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 8.11.2. Ionizer Operation case study Case 1a: Ionizer only operation (12h delay timer ON) Case 1b: Ionizer only operation (12h delay timer OFF) Case 2a: Ionizer only operation (24h real time timer ON)
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 Case 8: Ionizer only operation (Auto Fan) & shift to Cool Mode...
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 Note: 1. 24 times checking: Actual Ion ON for 10s & OFF for 1s 30 min continuously for 24 times. 2. 24 times count will be cleared when following conditions happen. a) 24 times count over, b) Ionizer cancel if press Ion button or power reset, c) Ion f/b sgnl OK.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 9 Operating Instructions SAFETY PRECAUTIONS I Installation Precautions I Operation Precautions Before operating, please read the following “Safety Precautions” carefully. Warning Warning G To prevent personal injury, injury to others and This sign warns of death or serious injury.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 G How to Insert the Batteries NAME OF EACH PART I Remote Control 1 Signal Transmitter 2 Operation Display 3 Ionizer Mode Operation Button 4 Room Temperature Setting Button (illuminating button) AUTO...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 I Setting the Fan Speed I Setting the Horizontal Airflow Direction G Operation Details • Press 4 to select:- – Low Fan Speed COOL – Cooling Operation – Medium Fan Speed •...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 CARE AND MAINTENANCE I Cleaning the Indoor Unit and Remote I Pre-season Inspection I Air Purifying Filters Control G Is the discharged air cold/warm? • Wipe gently with a soft, dry cloth.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 TROUBLESHOOTING I Normal Operation I Call the Dealer Immediately If the following conditions occur, turn off and unplug the Is it okay? This is the answer main power supply, and then call the dealer immediately.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 1. The equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 10.2. INDOOR UNIT 10.2.1. SELECT THE BEST LOCATION 10.2.3. TO DRILL A HOLE IN THE WALL (Refer to “Select the best location” AND INSTALL A SLEEVE OF section) PIPING 1. Insert the piping sleeve to the hole.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 3. For the embedded piping (This can be used for left rear piping & left bottom piping also.)
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 10.2.5. CONNECT THE CABLE TO THE INDOOR UNIT 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 10.3. OUTDOOR UNIT HOW TO TAKE OUT FRONT GRILLE Please follow the steps below to take out front grille if 10.3.1. SELECT THE BEST LOCATION necessary such as when servicing. (Refer to “Select the best location”...
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 CUTTING AND FLARING THE PIPING 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 10.3.5. (b) AIR PURGING OF THE PIPING AND INDOOR UNIT The remaining air in the Refrigeration cycle which contains moisture may cause malfunction on the compressor. 1. Remove the caps from the 2-way and 3-way valves.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 DISPOSAL OF OUTDOOR UNIT DRAIN WATER NOTE: • If a drain elbow is used, the unit should be placed on a These equipment shall be connected to a suitable mains network with a main impedance less than the following: stand which is taller than 3 cm.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 11 Installation and Servicing Air Conditioner Using R410A 11.1. OUTLINE 11.1.1. About R410A Refrigerant 1. Converting air conditioners to R410A Since it was declared in1974 that chlorofluorocarbons (CFC), hydro chlorofluorocarbons (HCFC) and other substances pose a destructive danger to the ozone layer in the earth´s upper stratosphere (20 to 40 km above the earth), measures have been...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 d. R410A refrigerating machine oil Conventionally, mineral oil or a synthetic oil such as alkylbenzene has been used for R22 refrigerating machine oil. Because of the poor compatibility between R410A and conventional oils like mineral oil, however, there is a tendency for the refrigerating machine oil to collect in the refrigerating cycle.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 11.2.2. R410A Tools 1. Cooper tube gauge for clearance adjustment (used when flaring with the conventional flaring tool (clutch type)) • This gauge makes it easy to set the clearance for the copper tube to 1.0-1.5 mm from the clamp bar of the...
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 5. Charging hose • The pressure resistance of the charging hose has been raised to match the higher pressure of R410A. The hose material has also been changed to suit HFC use, and the size of the fitting has been changed to match the manifold ports.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 8. Electronic scale for refrigerant charging • Because of the high pressure and fast vaporizing speed of R410A, the refrigerant cannot be held in a liquid phase inside the charging cylinder when charging is...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 11.3. REFRIGERANT PIPING WORK 11.3.1. Piping Materials It is recommended that you use copper and copper alloy jointless pipes with a maximum oil adherence of 40 mg/10m. Do not used pipes that are crushed, deformed, or discolored (especially the inside surface). If these inferior pipes are used, impurities may clog the expansion valves or capillaries.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 b. Copper pipes Use only copper pipes with the thickness given in table 10, and with minimal impurities. Because the surface of the pipe is exposed, you should take special care, and also take measures such as marking the pipes to make sure they are easily distinguished from other piping materials, to prevent mistaken use.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 11.4.2. Transferring (Using New Refrigerant Piping) 1. Removing the unit a. Collecting the refrigerant into the outdoor unit by pumping down The refrigerant can be collected into the outdoor unit (pumping down) by pressing the TEST RUN button, even when the temperature of the room is low.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 5. Set the refrigerant cylinder onto the electronic scale, then correct the hose the cylinder and to the connection port for the electronic scale. (1)(2) Precaution: Be sure to set up the cylinder for liquid charging. If you use a cylinder equipped with a siphon tube, you can charge the liquid without having to turn the cylinder around 6.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 <Brazing Method for Preventing Oxidation> 1. Attach a reducing valve to the nitrogen gas cylinder. 2. Attach a reducing valve to the nitrogen gas cylinder. 3. Apply a seal onto the clearance between the piping and inserted pipe for the nitrogen gas in order to prevent the nitrogen gas from flowing backward.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 12 Servicing Information Caution: • Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C).
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 − Pulling out the Drain Hose from outlet to remove the Discharge Grille. (Fig. 5) − Removing the right and left screws. (Fig. 5) − Then remove the Control Board by pressing down the hook at the left and pushing up the right hook.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 − Remove the screws at the left of the Evaporator. (Fig. 8) Fig. 8 − Remove the Bearing. (Fig. 9) − Push up the Evaporator and pull out the Cross Flow Fan from shaft.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 • Remote Control Reset When the batteries are inserted for the first time, or the batteries are replaced, all the indications will blink and the remote control might not work. If this happen, remove the cover of the remote control and you will find a resetting terminal, and by shorting it with a minus screwdriver, it will return to normal.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 13 Troubleshooting Guide 13.1. Refrigeration cycle system In order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a fan.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 13.1.1. Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner Low Pressure High Pressure Electric current during operation Insufficient refrigerant (gas...
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 15 Exploded View Note: The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 17 Exploded View Note: The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
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CS-V7CKP CU-V7CKP5 / CS-V9CKP CU-V9CKP5 / CS-V12CKP CU-V12CKP5 How to use electronic circuit diagram TIMER TABLE Test Mode Name Time (When test point Remarks Short-circuited) Real Timer 1 hr. 1 min. 10 min. 10 sec. 1 min. 1 sec. Time Delay Safety Control 2 min.